Re: sleepycat db VS MySQL or postgres

2013-07-01 Thread Kevin Wilcox
On 1 July 2013 16:28, Jim Pazarena fqu...@paz.bz wrote:

 I could move to db5 or db6 OR MySQL, or even postgres.

snip

 I have no experience with the c interface for postgres or mysql, but
 also, do not know how much the c interface has changed for sleepycat
 5/6 compared to the c interface for db3, which I understand quite well.
 So I am prepared for a learning curve irrespective of which platform
 I select. Records do not exceed much more than 10-20,000, with key sizes
 not much wider than 16 bytes (ipv4), 13 (mac), 32 (ipv6). And various
 smaller key sizes.

 Suggestions would be very much appreciated.

Jim - ultimately I'd recommend deciding which of the three you WANT to
learn and then use it.

I know nothing about db* but I use both MySQL and PostGreSQL on a
regular basis. I like them both. I prefer the licence used by
PostGreSQL, I prefer the PostGreSQL replication but I use whichever
suits my needs. Some people are fanatical about one or the other, I
say pick whichever you're more interested in and learn how to use it.

kmw
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Re: latest git ports upgrade

2012-11-30 Thread Kevin Wilcox
On Nov 29, 2012 2:27 PM, Artifex Maximus artife...@gmail.com wrote:

 BTW, why system does not know user git_daemon when git_daemon was in
 passwd and master.passwd? I am using portmaster to upgrade my
 installed ports.

I have had this exact issue when installing postgresql via portmaster. When
it fails (and it almost always does for me on 8.3-RELEASE when installing
9.1) I use vipw to remove the entry for the pgsql user. It's a little
tedious but not enough of a headache for me to file a PR or investigate.

kmw
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Re: Apache vs. nginx

2012-07-18 Thread Kevin Wilcox
On Jul 18, 2012 5:19 AM, Wojciech Puchar woj...@wojtek.tensor.gdynia.pl
wrote:

 I'm the admin for a small hobby website (Stovebolt.com - about 7 million
hits/mo).  We're fixin to buy a new server, and since I have to start from
scratch (install FreeBSD and all the needed ports), I'm wondering if anyone
on this list has switched from Apache to nginx.


 it depends of your needs.

This is a fantastic statement (I'm being serious, not facetious), because
it really does.

For specific purposes - serving static content with few bells and whistles,
dedicated PHP application servers for custom apps and stuff like Drupal, I
can't see ever going back to Apache. The nginx configs are too clean and
too simple.

For a large site with more complex authentication and access restriction
needs that are handled by the web server, I wouldn't drift from Apache -
not because I think nginx couldn't handle it but because I don't know if it
could and because I am less comfortable with saying I did it properly with
nginx than saying the same thing about Apache.

kmw
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Re: mutual forwarders in ISC BIND

2011-12-28 Thread Kevin Wilcox
On Dec 28, 2011 9:26 PM, Victor Sudakov v...@mpeks.tomsk.su wrote:

 And the reason for the whole thread. One of the customers told me that
 8.8.8.8 is faster than our own DNS servers which are located on the
 same 100 MBit/s LAN with them. I was shocked but it seems true, at
 least for the answers which are not yet cached.

That actually makes perfect sense. That's one of the Google DNS IP
addresses and they see a LOT of traffic, they're probably going to have the
majority of the domains your clients want to look up (assuming your clients
are like mine and most of their lookups are general web traffic) already in
cache - your servers will need to go through the whole lookup process.

Still, after a day or two of use, I would think your servers would have the
bulk of what they needed in their caches. You may want to enable logging to
see which domains are being looked up (if it won't break any applicable
laws or policies) and do some spot-checks to see why they may not be in
your cache.

kmw
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PF and dup-to?

2011-09-16 Thread Kevin Wilcox
Hi folks, I have the following pf.conf on FreeBSD 8.1-RELEASE *and* 8.2-RELEASE

===

set block-policy return
set skip on lo

int_if=bge1
ext_if=bge0
dup_if=dc0

# NAT rule
nat on $ext_if from $int_if:network to any - ($ext_if) sticky-address

#
# Windows RDP redirection...
#
# we have to stick a pass rule inside the rdr rule.
# I think it's nasty but it works.
#
rdr pass on $ext_if proto tcp from any to $ext_if port rdp - 10.201.201.101

# same for the Apache test instance
rdr pass on $ext_if proto tcp from any to $ext_if port http - 10.201.201.102

# And to proxy web traffic from the inside
# disabled temporarily
# rdr pass on $int_if proto tcp from any to any port 80 - 127.0.0.1 port 3128

# block everything
block in all
block out all

pass out quick on dc0

# allow everything from the NAT and any outbound connections from the FW
pass in on $int_if from any to any keep state
pass out on $ext_if from any to any keep state

#
# SSH
#
# allow inbound on the external interface
pass in on $ext_if proto tcp from any to ($ext_if) port ssh keep state

#
# Windows Remote Desktop
#
pass out on $int_if proto tcp from any to 10.201.201.101 port rdp keep state

#
# Apache test instance
#
pass out on $int_if proto tcp from any to 10.201.201.102 port http keep state

#
# temp to allow any connections from the FW to come to the internal net;
# note this is inclusive of the above two pass out rules
pass out on $int_if from ($int_if) to 10.201.201.0/24

===

When I change

pass in on $int_if from any to any keep state

to

pass in on $int_if dup-to $dup_if from any to any keep state

or

pass in on $int_if dup-to ($dup_if 192.168.1.2) all

all traffic to the outside stops passing. In addition, I get a TON of
kernel messages:

arpresolve: can't allocate llinfo for 10.201.201.1
arpresolve: can't allocate llinfo for 10.201.201.1
arpresolve: can't allocate llinfo for 152.10.2.222
arpresolve: can't allocate llinfo for 10.201.201.1
arpresolve: can't allocate llinfo for 10.201.201.1
arpresolve: can't allocate llinfo for 10.201.201.1
arpresolve: can't allocate llinfo for 10.201.201.1
arpresolve: can't allocate llianrfpor efsoorl v1e0:. 2c0a1n.'2t0 1a.l1l
o
cate llinfo for 10.201.201.1
arpresolve: can't allocate llinfo for 10.201.201.1
arpresolve: can't allocate llinfo for 152.10.2.222
arpresolve: can't allocate llinfo for 10.201.201.1
arpresolve: can't allocate llinfo for 10.201.201.1
arpresolve: can't allocate llinfo for 152.10.2.222

My understanding of dup-to is that it should allow the interface to
basically act as a span port - the original traffic gets passed via
normal routing rules and a copy of each packet gets sent out $dup_if
and should be visible via tcpdump on the other end but a tcpdump of
dc0 doesn't see the traffic ever leaving the interface. Apparently I
have a fundamental misunderstanding somewhere along the way or I've
been looking at this for far too long over the last few days and I'm
missing something extremely basic.

I'll test with another laptop with a different configuration and reply
back with any success I find.

Thanks!

kmw
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Re: shopping for a new server

2011-08-25 Thread Kevin Wilcox
On Thu, Aug 25, 2011 at 12:45, Tim Kellers timot...@wallnet.com wrote:

 Dell 2500 from 10 years back is soon to be very dead in the machine room at
 work.  I'm thinking about replacing it with a Rack mount Dell R610  has
 anyone used that and has compatibility issues or successes?  I'll be using a
 RAID 5 setup and PERC version is up to 6i in this box, any issues with this
 PERC?  The specs indicate R610 will way outperform the old 2500.  The 2500
 currently supports mail (sendmail), web, db (pgsql and mysql), samba, etc.

I can't recommend the R610 highly enough. I have them as
firewall/routers and DNS servers and they are fantastic. 8.2-RELEASE
amd64.

As Maxim pointed out, they use the mfi and bce drivers...I've added
some Intel quad-port fibre NICs using the igb driver to the firewalls
and haven't had any issues.

My only suggestion is to pay attention to disk speed and RAID type if
you're going to do heavy database work. I have a 200GB PostGreSQL
database on RAID5 with 10K disks that crawls on data loads so I'm in
the process of verifying to RAID 1+0 performance (we're neither CPU-
nor memory-bound but the reported disk I/O via iostat is atrocious).
dmesg for any of our R610s available on request if you want specifics.

kmw
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Re: OpenVPN Setup

2011-05-11 Thread Kevin Wilcox
On Wed, May 11, 2011 at 09:11, Bill Tillman btillma...@yahoo.com wrote:

 2. I have my OpenVPN process running on my FreeBSD server and wish to test it
 with the OpenVPN client for Windows on my laptop from an outside location. But
 the only outside locations I have access to right now are the local McDonalds
 and Starbucks which offer free WiFi via ATT's network. The trouble with this 
 is
 they appear to be blocking almost everything at these locations with the
 exception of HTTP traffic. I can't make the connection and I cannot acces my 
 LAN
 via SSH either. I don't think they are blocking any particular ports on these
 systems as much as they are just blocking everything except those ports which
 allow users to surf the web. The only thing which appears in the status window
 is that's it trying to make the handshake but then fails. I can ping my home
 server from these outside locations so I know my server is reachable.

It's not uncommon for guest/visitor/unsponsored/portal wireless to
only have ports 80 and 443 (sometimes only port 80) open. You can
modify your server's config to use port 80 instead of 1194 (assuming
you aren't running a webserver on that machine). Keep in mind that if
you do that then before you can connect you'll have to:

o change the config on the server
o restart openvpn on the server
o change the config on the client

kmw
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Re: Fw: OpenVPN Setup

2011-05-10 Thread Kevin Wilcox
On Tue, May 10, 2011 at 19:19, Bill Tillman btillma...@yahoo.com wrote:

 OK I know I saw this somewhere but it eludes me now. I have generated the keys
 and certificates for the server and client on my FreeBSD server. I then copied
 them over to my Windows laptop but apparently cannot find where I'm supposed 
 to
 copy them to. And my replies keep getting blocked by some kind of spam filter.

The client conf and all certs can go in one directory under

(32-bit Windows) C:\Program Files\OpenVPN\config\

(64-bit Windows) C:\Program Files(x86)\OpenVPN\config\

kmw
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Re: Fw: OpenVPN Setup

2011-05-10 Thread Kevin Wilcox
On Tue, May 10, 2011 at 19:59, Bill Tillman btillma...@yahoo.com wrote:

 This is a very frustrating process but I think I'm getting there. The files
 I created on the FreeBSD server which I copied over are:

    client1.crt
    client1.csr
    client1.key

 But the windows setup appears that it wants one of these files to be called
 client.ovpn. Of course I can't give all of them that name so I'm stumped
 again.

You only need to copy the .crt and .key files, those are your key and
certificate for the client named client1.

They are used for authentication.

The .ovpn file (.conf on Unix) contains the information OpenVPN needs
to find your OpenVPN server. A good sample can be found at
http://openvpn.net/index.php/open-source/documentation/howto.html#examples.

For example, I give the following config to my clients:



client
dev tun
proto udp
remote put_your_server_ip_here 1194
resolv-retry infinite
nobind
persist-key
persist-tun
route-method exe
route-delay 2
ca ca.crt
cert client1.crt
key client1.key
# only uncomment if you setup tls-auth
# tls-auth tls-auth.key 1
verb 3
comp-lzo



Yours won't match exactly but it'll probably be awfully close.

kmw
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Re: Fw: OpenVPN Setup

2011-05-10 Thread Kevin Wilcox
On Tue, May 10, 2011 at 20:09, Kevin Wilcox kevin.wil...@gmail.com wrote:

 On Tue, May 10, 2011 at 19:59, Bill Tillman btillma...@yahoo.com wrote:

    client1.crt
    client1.csr
    client1.key

 You only need to copy the .crt and .key files, those are your key and
 certificate for the client named client1.

One more comment there - you also need the ca.crt file.

kmw
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Re: OpenVPN Setup

2011-05-10 Thread Kevin Wilcox
On Tue, May 10, 2011 at 20:50, Frank Griffith frnkgrf...@yahoo.com wrote:

 Anyway, I tried to start the OpenVPN server on the FreeBSD server and it
 will not start. I got this message:

 # openvpn /usr/local/etc/openvpn/server.conf
 Tue May 10 20:35:11 2011 OpenVPN 2.2.0 amd64-portbld-freebsd8.2 [SSL] [LZO2]
 [eurephia] built on May 10 2011
 Tue May 10 20:35:11 2011 NOTE: OpenVPN 2.1 requires '--script-security 2' or
 higher to call user-defined scripts or executables
 Tue May 10 20:35:11 2011 Cannot open dh1024.pem for DH parameters:
 error:02001002:system library:fopen:No such file or directory:
 error:2006D080:BIO routines:BIO_new_file:no such file
 Tue May 10 20:35:11 2011 Exiting

If you edit /usr/local/etc/openvpn/server.conf, it will mention

ca ca.crt
cert server.crt
dh dh1024.pem
key server.key

or something similar. Each of the files it references will need to be
in /usr/local/etc/openvpn/.

The error Cannot open dh1024.pem tells you what it's trying to open
that it can't find.

kmw
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Re: Can I bridge the same subnet across a VPN?

2011-05-03 Thread Kevin Wilcox
On Tue, May 3, 2011 at 15:19, Geoff Roberts ge...@apro.com.au wrote:

 Is it possible to join two sites with the same subnet across a VPN?

Yes.

 I have two sites that have the same subnet/mask.

 I need these two separated networks to behave as one across a VPN.

That's understandable. You may want to consider breaking the /24 into
two /25s, one at each site, and routing the connection instead but
that's not necessary and you can indeed use a bridge with few issues.

 Happy to use either IPSec or OpenVPN to actually encrypt the traffic.

We've done it as a demo of what you can do with OpenVPN, it's trivial
once you get some configuration issues straight in your head (or
that's how it worked for me).

To bridge in OpenVPN, take a look at:

http://openvpn.net/index.php/open-source/documentation/miscellaneous/76-ethernet-bridging.html

kmw
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Re: dhcpd in vmware

2011-04-06 Thread Kevin Wilcox
On Wed, Apr 6, 2011 at 04:12,  per...@pluto.rain.com wrote:

 Kevin Wilcox kevin.wil...@gmail.com wrote:

 If you're just using the 192.168.4.129 - 254 addresses
 I would change it to

 subnet 192.168.4.0 netmask 255.255.255.0

 Shouldn't that be netmask 255.255.255.128?

That's what I thought at first as well.

Then I saw the router at 192.168.4.1, so it looks like they're using
the entire /24 but only assigning addresses via DHCPd to the top half.

kmw
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Re: dhcpd in vmware

2011-04-05 Thread Kevin Wilcox
On Tue, Apr 5, 2011 at 08:29, xinyou yan yxy@gmail.com wrote:

 the dhcpd can't start in vmware :

 Here is my /usr/local/etc/hpcdd.conf

Is the file named hpcdd.conf or is that a typo?

 subnet 192.168.0.0 netmask 255.255.255.0 {
 range 192.168.4.129 192.168.4.254;
 option routers 192.168.4.1;
 }

That *should* throw an error due to the netmask. If you're just using
the 192.168.4.129 - 254 addresses I would change it to

subnet 192.168.4.0 netmask 255.255.255.0

Otherwise the netmask of 255.255.255.0 will lead dhcpd to think it
should be offering for 192.168.0.1 - 192.168.0.254.

 when i use  /usr/local/etc/isc-dhcpd start

 it shows :
   Please do not under any circumstances send requests for
   failed to start dhcpd

Does it give any other errors?

kmw
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Re: Installing squid, where should the directories be?

2011-03-09 Thread Kevin Wilcox
On Wed, Mar 9, 2011 at 10:27, Leslie Jensen les...@eskk.nu wrote:

 I'm installing squid on a new 8.2-RELEASE machine.

Me too.

 I have /usr/local/squid as default directory and has made a separate mount
 point.

Same here. As a general rule I like to give squid its own hard drive,
or its own RAID. Giving it a separate partition on a single drive is
useful if you're concerned about filling the disk but that *should* be
controlled by the squid configuration file. Still, it's a good idea.

 When it comes to the cache and the logs directory I can see that the squid
 installation has created the /var/squid/cache directory.

I've always seen /var/squid as being very Linux-centric.

/usr/local/squid or /usr/local/var/squid makes more sense to me.

 When Googling this problem I see both the use of /var/squid and
 /usr/local/squid.

 Where should it be?

Yep, ultimately it doesn't matter as long as you know where it is, you
document where it is and your settings are correct in
/usr/local/etc/squid/squid.conf.

By default squid will use /var/squid. I always change it on install.

 When running the command squid -z to initialize the cache the cache
 directory must be there otherwise the command won't work.

 How should I set the permissions on /usr/local/squid and the directories
 below?

I use 755, squid:squid.

 I could not find any advise in the Handbook. I'll be happy to help making a
 squid chapter.

I'm writing some internal documentation on deploying pf + squid 2.7.x
+ SNMP on FreeBSD 8.2 routers/firewalls with cacti monitoring, I'll
contribute what I can. I doubt we'll see a section on squid as it's
really a niche area but it's always good to have something on the list
so folks doing a search can find something useful. If it's going to be
a few days before you get into the heavy lifting I'll try to send
something directly or maybe a link to this list this weekend.

You said you had notes from doing a 2.x installation, are you
installing 3.x? . I'm sticking with 2.7.STABLE9 for storeurl support
in some places and considering 3.x in others. 3.2 introduced SMP
support but you can achieve pseudo-SMP support by running multiple
instances on the same machine...just remember each instance has its
own RAM and disk cache, which sort of kills the performance.

kmw
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Re: Help: Looking to contact someone running FreeBSD on ESX

2011-02-25 Thread Kevin Wilcox
On Fri, Feb 25, 2011 at 12:52, Mark Felder f...@feld.me wrote:

 The ones that crash are usually our main webservers (Apache, PHP, no MySQL
 locally though). We have LOTS of IPs on them and they do a ton of network
 traffic, but usually don't have a super high load average (maybe .75 - 1.0
 on a normal day?). Currently we're running 8.1-RELEASE on them.

Just as a note regarding that load average and ESX.

I've noticed that none of my FreeBSD VMs report a *true* load average
on ESX. The CPU hardly ever spikes (particularly on some snort
listeners) but ESX shows the VMs as being CPU-bound the better part of
the day. You may want to take a look at what the ESX performance
charts are showing during your heavy usage periods and particularly
before things go pear-shaped.

kmw
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Re: qmail or postfix?

2011-02-01 Thread Kevin Wilcox
On Tue, Feb 1, 2011 at 09:32, Alessandro Baggi
alessandro.ba...@gmail.com wrote:

 Hi list. Who is better, qmail or postfix?

 thanks in advance

That's a loaded question. Both have advocates, just like vi or
emacs, Linux or Nothing, FreeBSD or OpenBSD, OS X or Windows
and X Window System or CLI.

That said, if you know neither and your requirements are met by both
of them, I'd opt for postfix. It isn't as burdened with dependencies
and, from what I can tell, it enjoys a larger, more active support
community.

kmw
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Re: PF firewall rules and documentation

2011-01-31 Thread Kevin Wilcox
On Mon, Jan 31, 2011 at 05:58, Da Rock
freebsd-questi...@herveybayaustralia.com.au wrote:

 Yes. Me unfortunately, but I did manage to pick it up quite quickly though.
 I had a little thief attack one of my ports and attempt login on the
 firewall. I had to change it to 'block in $log on $ext_if all
 block out $log on $ext_if all' to actually block the traffic. Bit of a doozy
 really, I'm still monitoring the traffic very closely with tcpdump on the
 interface and not the log.

Unless you have an explicit need to block in/out, it's easier to
maintain a ruleset that uses

block log on $ext_if

For example, I use the following as a starting point for some of my
routing firewalls:

=

int_if=bge1
ext_if=bge0

set skip on lo

# block everything
block

# NAT rule
pass out log(all) on $ext_if from ($int_if:network) to any nat-to ($ext_if)
# allow traffic in on the internal interface
pass in on $int_if from ($int_if:network) to any keep state

=

There are at least three things in that basic config that some people
would jump on me for.

1) why block all if I'm then allowing every in on the internal interface?
2) why block all if I'm allowing everything out on the external interface?
3) why not pass everything on the internal interface and then filter
on the external?

The shortest answer is because I happen to like that starting point
and it serves as a syntactical reminder if I deploy without a pf
reference handy.

Regarding 1) and 2), the longer answer is that I like to control
traffic flow. I don't want to allow inbound connections on the
external interface and I don't have a need for the firewall to connect
to machines inside the NAT. On my bridges I'll set skip on the
internal interface and filter on the other but I don't like doing that
for a router.

 There are some plans to update PF to a more recent version. So may
 be it will be better.


 Actually, that sounds like a better idea than mine ;) Kills 2 birds with one
 stone then...

I am truly excited about this as the NAT and RDR stuff was
significantly cleaned up (and the OpenBSD pf FAQ is a great resource).
I'm even more excited about the patch to tcpdump that Daniel just sent
to freebsd-pf@ that allows you to tcpdump a pfsync device and pull the
state creation/updates - in my opinion, that's the weakest area for a
BSD firewall (we'll ignore span ports on routers since you can bridge
two addressed interfaces and create a span of that bridge) and being
able to easily pull those NAT translations fulfills some serious
accountability issues.

If you need a reliable printed reference, you should really consider
picking up Hansteen's _The Book of PF_, available from No Starch
Press:

http://nostarch.com/pf2.htm

I have the first edition and it's incredible but somewhat dated. The
author suggests the second edition for FreeBSD 8.x+.

kmw
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Re: Managing ESXi from FreeBSD...

2011-01-24 Thread Kevin Wilcox
On 24 January 2011 13:42, Outback Dingo outbackdi...@gmail.com wrote:

 loose ESucksXi and install XCP 1.0 and for management xencenter /
  openxencenter will run on FreeBSD,

I wish I could recommend XCP and/or Xen to the average user but trying
to install FreeBSD 8.1-amd64 in Xen, even running in HVM, doesn't come
close to the boot and go ease of FreeBSD in VMWare products. That
opinion may change once I get a template similar to the provided Linux
templates but until then, as far as I'm concerned, Xen can't touch
ESXi.

I would *love* for someone like RootBSD, who specialises in FreeBSD on
Xen, to come through with tips on how they get it to work so well. In
a stock install, running in an HVM environment, I get boot failures
approximately two-thirds of the time, *usually* right after the ACPI
APIC TABLE Xen HVM line but it does vary. By boot failure I mean
vCPU usage drops to 0% for at least 10 - 15 minutes before I give up
and reboot.

kmw
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Re: The book of pf...

2011-01-19 Thread Kevin Wilcox
On 19 January 2011 02:28, Christer Solskogen
christer.solsko...@gmail.com wrote:

 On Tue, Jan 18, 2011 at 7:35 PM, Kevin Wilcox kevin.wil...@gmail.com wrote:

 1) Definitely get the first version

 Oh, why?

Because Peter made mention on misc@ that the second edition was geared
towards OpenBSD 4.8 and the version of pf that's in FreeBSD is quite a
bit older.

http://marc.info/?l=openbsd-miscm=128938065524891w=2

kmw
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Re: The book of pf...

2011-01-18 Thread Kevin Wilcox
On 17 January 2011 23:37, Modulok modu...@gmail.com wrote:

 Or perhaps someone could suggest something else? I read the examples
 and basic handbook for pf, but wanted a bit more. I'm going to be
 tacking a firewall project coming up and need to be well prepared.
 Suggested readings appreciated.

1) Definitely get the first version

2) Definitely pick up the book. While the OpenBSD FAQ is *extremely*
useful, you don't always have access. This is the single best pf
reference I've seen.

kmw
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Re: FreeBSD Decision

2011-01-14 Thread Kevin Wilcox
On 14 January 2011 14:19, Tim Daneliuk tun...@tundraware.com wrote:

 On 1/14/2011 12:46 PM, Alessandro Baggi wrote:

 Hi list, I don't want make a flame post but I would ask an objective 
 opinion, then not a camp opinion, about using FreeBSD or Debian Linux in a 
 production environment

 snip 

 IOW, your selection has less to do with the OS kernel and more to do
 with the set of tools, applications, and hardware that surround the OS.
 If all things are equal, I prefer FreeBSD because it has a smaller
 footprint on the hardware and is easier to install/maintain than Linux.
 However, whether we like it or not, there is far more commercial and
 third party support for *some* linux distros (RHEL and SLES).

I agree completely with what Tim has said. I'm not in that large of an
environment (but not terribly far from it) and we run a mix - Windows
for some things, various Linux distributions where it makes sense,
FreeBSD and OpenBSD in other areas. There is never one solution that
fits every scenario in a large environment unless you provide one set
of services and make it a point to specialise on offering those
services on one platform.

 Given what you've told us, if it really does come down to Debian
 or FreeBSD, it sounds like you don't need much in the way of
 third party stuff.  In that case, I'd use FreeBSD.

Indeed. From the sound of it, everything he needs is available in
ports and can be broken into roles for management by a combination of
something like puppet and OSSEC (I like the FIM component).

As a general rule, unless Linux is required for hardware support or
because foo application runs better on Linux, I'll opt for one of
the BSDs.

However, that is MY personal opinion...if everything else is equal and
it's a true toss-up, I'd recommend you go with the OS you're the most
familiar with hardening and managing.

kmw
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Re: Bot?

2011-01-05 Thread Kevin Wilcox
On 5 January 2011 10:47, Jerry Bell je...@nrdx.com wrote:

 There could be reasons you
 aren't seeing a spike, such as you're only looking at traffic processed by
 the MTA, or it simply doesn't show as a material increase on a graph of
 traffic on the network interface if the server is busy.

Those are good points and to go a little further regarding looking at
traffic...

To really see what your machine is doing, consider taking a look at
the network flows. pfflowd, netflowd, ipaudit and a host of others can
get you flow data with mostly minimal overhead.

kmw
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Re: Bot?

2011-01-05 Thread Kevin Wilcox
On 5 January 2011 13:25, David Brodbeck g...@gull.us wrote:

 On Wed, Jan 5, 2011 at 8:15 AM, Kevin Wilcox kevin.wil...@gmail.com wrote:

 To really see what your machine is doing, consider taking a look at
 the network flows. pfflowd, netflowd, ipaudit and a host of others can
 get you flow data with mostly minimal overhead.

 Also, keep in mind that depending on how badly the machine has been
 compromised, you may not be able to trust the output of utilities
 running on the machine itself.  You may have to resort to capturing
 its network traffic on another machine for analysis.

That's an excellent point. A span port from the upstream switch/router
would be ideal unless you've verified, through mechanisms external to
the machine (known good test media), the tools on that machine are
trustworthy.

kmw
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Re: FreeBSD IPSec stack contains backdoors?

2010-12-17 Thread Kevin Wilcox
On 17 December 2010 10:36, Mike L jackoro...@gmail.com wrote:

 Reads like an unacceptable response to an issue that seems quite critical.

Here, let me re-iterate for those that may not have a copy of what
you're saying is unacceptable in front of them:

o we're aware there's talk about some projects possibly having been
compromised a decade ago

o we have ports of those projects in our project

o the code that ends up in FreeBSD from those other projects rarely
resembles the original project's code

o in the porting process, bugs may unintentionally be introduced or removed

o bugs present in the upstream project may not be found in FreeBSD's version

o people are welcome and encouraged to look at the FreeBSD code,
provide fixes and/or decide for themselves if they want to use it

What more do you want them to say? How is this is not a perfectly
reasonable response?

Cutting security-officer@ out because I'm pretty sure Colin reads this list.

kmw
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pf + NAT + log

2010-10-18 Thread Kevin Wilcox
Hi everyone. This is probably better suited for freebsd-pf@ but I'll
give it a go before spamming YAML.

I'm testing NAT on FreeBSD 8.1. My setup is very simple:

My workstation - { internal network switch } - FreeBSD 8.1routing
firewall with squid 3 - { switch going to Internet }

My pf configuration is a bare minimum for passing everything and
logging at every stage I can think of. I'll start filtering after I
get this sorted out.

pf.conf:

===

ext_if=bge0
int_if=bge1

rdr pass log(all) on $int_if proto tcp from any to any port 80 -
127.0.0.1 port 3128

nat pass log(all) on $ext_if from $int_if:network to any - ($ext_if)

pass log(all) on $int_if
pass log(all) on $ext_if

===

If my internal workstation is 10.201.201.1, the external interface on
my FreeBSD machine is 10.100.100.1 and I ssh to a server at 10.1.1.1,
the connection works. On the server I get a connection on port 22 from
the FreeBSD router on source port 3. This is confirmed by netstat
and tcpdump on the server.

On the workstation, tcpdump and netstat confirm a connection from the
workstation to the server; destination port is 22, source port is
1.

On the FreeBSD router, 'pfctl -s s' confirms:

all tcp 10.201.201.1:1 - 10.100.100.1:3 - 10.1.1.1:22
ESTABLISHED:ESTABLISHED

Here is where my problem sits. If I do a tcpdump of the pflog, I get
an entry from my workstation to the server showing communication from
port 1 to port 22. I get an entry from the FreeBSD router to the
server, from port 3 to port 22. What I don't get, and what I
desperately need, is a way to show that the connection from the
FreeBSD router to the server is on behalf of my workstation.

Have I missed something in the NAT configuration that logs the actual
translations? Can you configure pf to log similar to the output of
pfctl where it shows something like:

time protocol stuff 10.201.201.1.1  10.100.100.1.3 
10.1.1.1.22 TCP stuff

Basically, I need to log all of the translations such that if I have
five internal machines all ssh to one server around the same time, and
the server admin comes back and says, one of your users tried to
login as root from port 12345, I can go back and look at the pflog
and say, oh, that connection was a NAT translation from
workstation.

Thanks!

kmw
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Re: router / firewall with PF and carp.

2010-10-01 Thread Kevin Wilcox
On 1 October 2010 05:29, krad kra...@gmail.com wrote:

 In my experiance freebsd should work fine. However I would say openbsd is
 probably better suited to your needs, due to its tighter security model
 (auditing)

Krad, I was under the impression that 'audit' from TrustedBSD is built
into FreeBSD. Is there a facility in OpenBSD that is better or is
there something in 'audit' that is lacking?

Thanks!

kmw
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Re: router / firewall with PF and carp.

2010-10-01 Thread Kevin Wilcox
On 1 October 2010 10:16, Daniel Bye
freebsd-questi...@slightlystrange.org wrote:

 On Fri, Oct 01, 2010 at 09:40:56AM -0400, Kevin Wilcox wrote:

 Krad, I was under the impression that 'audit' from TrustedBSD is built
 into FreeBSD. Is there a facility in OpenBSD that is better or is
 there something in 'audit' that is lacking?

 I think krad is referring to the well-publicised code audit that the OpenBSD
 project conducts, rather than the TrustedBSD audit framework. As far as I
 know, OpenBSD doesn't have anything comparable, but it's a long time since I
 looked at it, so I might be typing out of me ear...

Dan, that makes perfect sense. I'm working up a BSD presentation for
the local LUG next week and the latest compare/contrast I was working
on was SELinux/GrSecurity/Pax versus TrustedBSD; my brain immediately
parsed auditing as an audit trail, not the immense code audit for the
base system.

Thanks for the reality check!!

kmw
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Re: Intel video Driver

2010-09-22 Thread Kevin Wilcox
On 22 September 2010 13:16, jorge espada espada.jo...@gmail.com wrote:

 I need my laptop to work..so I removed freebsd 8.1 and installed gentoo so I
 can't post the output of pciconf -lv, but I want freebsd...so if anyone
 knows how to sort this problem please share...

To resolve a combination dual-head, Nvidia, Virtualbox and 8GB ram
issue I had, I had to move to Gentoo and run FBSD in a VM for those
times I wanted to use FBSD for something.

It isn't the cleanest solution but it works for me, both under Gentoo
in the office, VMWare Fusion on the Macbook and Windows 7 at home.

kmw
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Re: CARP and freebsd

2010-09-03 Thread Kevin Wilcox
On 3 September 2010 10:37, gahn ipfr...@yahoo.com wrote:

 Is carp a part of freebsd 8.1? or I have to download from somewhere and 
 install it?

Everything you could want to know about CARP and FreeBSD:

http://www.freebsd.org/doc/handbook/carp.html

On my 8.1 box -

fbsdsroute0# sysctl net.inet.carp.allow
sysctl: unknown oid 'net.inet.carp.allow'

So I can't say for certain but I would hazard the guess that it is not
included in the GENERIC kernel.

Alas, there is documentation for rebuilding your kernel, too:

http://www.freebsd.org/doc/handbook/kernelconfig.html

kmw
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Re: vmware and freebsd 8

2010-07-28 Thread Kevin Wilcox
On 28 July 2010 00:47, kalin m ka...@el.net wrote:

 messing around with vmware and fbsd 8...

 has anybody used vmware esxi 4 to put a bunch of fbsd machines on it?
 i also installed the vmsphere client (they call it) which is pretty nice
 interface to interact with the virtual machines but apparently doesn't know
 much on how to install vmware tools on a bsd guest.

We use paid-for ESX, not ESXi, but that shouldn't make a difference.
FreeBSD 8 and ESX play great together, at least in my circumstances.

Setups are pretty generic - minimal installs + ports with different
VMs for subversion, apache, postgresql, OSSEC, netflow collectors,
snort and even a few virtual FreeBSD firewalls.

Overall I couldn't be more pleased.

 so the question is which vmware tools should i get for the fbsd 8 guests to
 go with the esxi 4.1. in the ports there are vmware-tools6, 5, 4, 3. tried
 six. it wants some disk. there is also the open-vmware-tools. is that open
 one better to play with the esxi 4.1 an the vmsphere thing?

I install vmware-guestd6 from ports so I can eliminate all of the X
libraries getting installed. ESXi should come with a freebsd.iso file
that you can use for the tools install (I'm not one of our ESX
administrators so I can't speak definitively but I did get an ISO from
them for the tools installation).

 also is there anything better than vmware for virtualization that plays nice
 and with fbsd?

The rumour is that FreeBSD does great as Xen domU but then you have to
have a Linux or Windows dom0 (perhaps Mac OS X would work, too?). I'm
doing a CentOS install right now, specifically to try FreeBSD under
Xen.

As someone else mentioned, VirtualBox and FreeBSD get along great
though I'm not entirely sure *I* would use it for a production
environment. I ran VirtualBox on a FreeBSD host with FreeBSD, OpenBSD,
Linux, Windows XP and Windows 7 Ultimate guests and my issues were
minimal. It's the only virtualisation software installed on this
workstation.

kmw

-- 
A: Maybe because some people are too annoyed by top-posting.
Q: Why do I not get an answer to my question(s)?
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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Re: vmware and freebsd 8

2010-07-28 Thread Kevin Wilcox
On 28 July 2010 09:12, Steve Polyack kor...@comcast.net wrote:

 We've always used the open-vm-tools port
 (/usr/ports/emulators/open-vm-tools-nox11).  There is both an x11 and
 nox11 version, both of which work very well.  It also includes a handful
 of other drivers and modules, including the memory balloon driver.

 If you only intend on using the vmware-guestd, vmxnet, and/or vmmemctl
 (memory ballon driver), then you can build with -DWITHOUT_DNET
 -DWITHOUT_ICU -DWITHOUT_FUSE to eliminate a few more dependencies.

Steve - that's excellent advice. I'll try out open-vm-tools-nox11 on
one of my VMs this afternoon and see how it goes. Thanks!!

kmw

-- 
A: Maybe because some people are too annoyed by top-posting.
Q: Why do I not get an answer to my question(s)?
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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Re: Virtualbox Networking Issues

2010-07-15 Thread Kevin Wilcox
On 15 July 2010 17:35, Chris Maness ch...@chrismaness.com wrote:

 I am not able to ping anything.  I cannot ping the gateway or the
 host.  I tried bridge, NAT, and host only.

Can you provide the output of ifconfig and the contents of rc.conf
from the virtual machine?

(Purpose - to see if the interface exists, what it thinks its link
status is and how it's supposed to get an IP)

kmw

-- 
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Q: Why do I not get an answer to my question(s)?
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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Re: FreeBSD router - large scale

2010-06-23 Thread Kevin Wilcox
On 28 May 2010 07:38, Bruce Cran br...@cran.org.uk wrote:

 This is possibly the wrong place to be saying this, but isn't OpenBSD
 usually recommended for
 routers? I believe the version of pf, for example, is normally kept more
 up-to-date than than
 in FreeBSD.  The major downside I know of is that it's not nearly as
 user-friendly; for example
 my recollection of its installer is that you have to input sector offsets
 manually in the partition editor!

Bruce - sorry for taking so long to reply, this project has been slow-moving.

Yes, you are correct, OpenBSD is typically used in this situation and,
if the project were strictly for a routing component, it may indeed be
a better choice. My concern was that if we decided to add any proxy
capability then we would need much more RAM than OpenBSD could address
(this will front at least 8k users).

I have found the OpenBSD installer to be quite friendly but that's
probably because it is pretty minimal and just sort of clicks with
me. As long as you're dedicating the system to *BSD, I generally
prefer the OpenBSD installer for its flow but have found no particular
allegiance with either their installer or sysinstall. As long as I can
have a running system within four or five minutes of powering on with
the install CD, I don't really care.

kmw

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Q: Why do I not get an answer to my question(s)?
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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Re: FreeBSD router - large scale

2010-06-23 Thread Kevin Wilcox
On 27 May 2010 12:12, Matthew Seaman m.sea...@infracaninophile.co.uk wrote:

 The hardest job I've had an OpenBSD firewall do is actually as a
 mid-level firewall between a DMZ full of web servers and a back-end
 database layer.  The thing to watch out for is running out of states in
 PF.  It's trivial to change that in the config, and given a machine with
 1GB or so RAM dedicated to running PF, you can up the number of states
 by a factor of a hundred or more without problem.  Also if you know all
 your connections are from directly attached networks and very low
 latency, you can be a lot more aggressive about dropping old states.

Matthew -

thanks for the information! For other reasons I'm limited to about
500k states...since our typical hardware build has at least 4GB of
RAM, I'm not overly concerned about RAM exhaustion when routing. As I
stated in another post the potential for something like a squid cache
does exist, in which case I'll take all the RAM I can get my hands on
(a 16GB+ build is not out of the question at that point).

Preliminary testing has been favorable. My big concerns have mostly
been related to state and packets per second. The first test
environment was as follows:


| one NIC, 4 routable addresses
|
|
 --
 |   FreeBSD 8 Router  |
 --
|
| one NIC with aliases for
| 10.10.10.254
| 10.10.20.254
| 10.10.30.254
| 10.10.40.254
|
  
  |switch|
  

Attached to the switch are four workstations/laptops:

10.10.10.1/255.255.255.0
10.10.20.1/255.255.255.0
10.10.30.1/255.255.255.0
10.10.40.1/255.255.255.0

All connections are gigabit.

The idea is that in a production environment, we'll have multiple /22
networks coming in so I wanted to test having multiple network
aliases. There will be a pool of public addresses for the outside
interface(s), possibly as large as a class C but probably 20 - 30
addresses.

By using sticky-address on a NAT rule, we can watch each RFC-1918
address get mapped to a different outside address via round-robin
while enforcing that all connections from one inside host are
consistently mapped to the same external address. Generating 10k
active pings on each of the workstations/laptops, we were able to get
an idea of how the machine would respond with 80k active states (two
per connection, one in each direction). Adding in a couple of
BitTorrent and HTTP .iso downloads only supported the conclusions we
were beginning to form.

Currently I'm testing it with multiple BitTorrent downloads and a very
lively World of Warcraft installer. While nowhere near an indication
of what we could expect in production it is showing us RAM usage,
processor usage and state maintenance behaviour that gives us pretty
good indications that we can go ahead and test in a larger
environment. Like I said, we are otherwise limited to approximately
500k states (actually 250k connections) and only about half of that
will be allotted for the population this project is targeting so
testing with 100k states is actually pretty realistic at this point.
We will wait, of course, to attempt a production deployment until
after we have tested with a larger sample of the target population.

Thanks to everyone for their comments and suggestions, both on and off list!

kmw

-- 
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Q: Why do I not get an answer to my question(s)?
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Q: Why is top-posting such a bad thing?
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Re: Add watermark to PDF

2010-06-01 Thread Kevin Wilcox
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

On 1 June 2010 10:15, John Almberg jalmb...@identry.com wrote:

 I would like to add a customized footer (a stamp or watermark) to an
 existing PDF, like the guys at Pragmatic Programmers do with their PDFs.

I used to do something similar using the fpdf/pdftk toolkits.

http://www.fpdf.org/
http://www.accesspdf.com/pdftk/

kmw
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.10 (GNU/Linux)
Comment: Use GnuPG with Firefox : http://getfiregpg.org (Version: 0.7.10)

iEYEARECAAYFAkwFGGAACgkQsKMTOtQ3fKGfkwCfQyJSOON7k6liWggyYV2P+rKC
OokAn3jpAWqarsvenlRKyThR0/DryaKe
=6v3V
-END PGP SIGNATURE-
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FreeBSD router - large scale

2010-05-27 Thread Kevin Wilcox
Hello everyone.

We're in the very early stages of considering [Free|Open]BSD on
commodity hardware to handle NAT *and* firewall duties for (what I
consider to be) a sizable deployment. Overall bandwidth is low, only a
gigabit connection, but we handle approximately fifteen thousand
devices. DHCP and DNS would be passed through to other servers, this
hardware would only be responsible for address translation and pf.

I've done this on a very, very small scale (small/home office, small
business) but I'm curious how many other folks are doing it on this
scale, the hardware they are running on and any gotchas they may
have faced. Does pf on FreeBSD take advantage of multiple cores/SMP?
Is it preferable, as with OpenBSD, to go for a very stout processor
without much consideration to cores?  Would freebsd-net@ be a better
place to ask this?

I'm getting ready to start digging in to memory and other resources
needed based on available documentation but real-world usage is much
preferred to my academic assessment.

Thanks!

kmw

-- 
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A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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Re: Virtualbox on Freebsd

2010-03-04 Thread Kevin Wilcox
On 4 March 2010 14:15, Paul Schmehl pschmehl_li...@tx.rr.com wrote:

 I'm trying to build it from ports right now and running into all sorts of
 issues with qt4 stuff.

This doesn't exactly inspire confidence when it comes time for me to
do my next round of updates.

I remember running into an issue with qt when building Virtualbox but
I *believe* a forced removal of everything qt related and letting it
start the process from scratch fixed the issue.

I'll keep better notes next time :-\

kmw

-- 
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Q: Why do I not get an answer to my question(s)?
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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Re: Root exploit for FreeBSD

2009-12-10 Thread Kevin Wilcox
2009/12/10 Anton Shterenlikht me...@bristol.ac.uk:

 From my information security manager:

        FreeBSD isn't much used within the University (I understand) and has a
        (comparatively) poor security record. Most recently, for example:

        
 http://www.h-online.com/security/news/item/Root-exploit-for-FreeBSD-873352.html

Wow.

Just...wow.

FreeBSD's security record, the rate at which fixes occur, the ports
system and the overall sanity of the environment is *precisely* why we
have been migrating from RHEL to FreeBSD at my University (I'm
employed by the University, not a student).

I would be quite curious as to which operating system is serving as
the baseline for this comparison. I would also be quite curious as to
whether the manager making said statement is responsible for central
IT services or is locked into providing services by a particular
vendor.

kmw

-- 
Beware the leader who bangs the drums of war in order to whip the
citizenry into a patriotic fervor, for patriotism is indeed a
double-edged sword. It both emboldens the blood, just as it narrows
the mind. And when the drums of war have reached a fever pitch and the
blood boils with hate and the mind has closed, the leader will have no
need in seizing the rights of the citizenry. Rather, the citizenry,
infused with fear and blinded by patriotism, will offer up all of
their rights unto the leader and gladly so - Unattributed, post 9/11
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Re: Root exploit for FreeBSD

2009-12-10 Thread Kevin Wilcox
2009/12/10 Anton Shterenlikht me...@bristol.ac.uk:

 I was just stressed after being forced by him
 to explain why I wanted firewall exceptions
 for two ports to my FreeBSD portscluster nodes.
 I explained the reasons and that was settled.

Anton, I don't know about the UK, Great Britain or England, but in US
Universities, this is fairly common. It just serves as a sanity check
for the many, many requests central IT tends to get regarding allowing
ingress traffic for faculty/staff machines, and it gives the firewall
guys documentation that such-and-such machine should be receiving
inbound traffic on specific ports.

 The Uni is, of course,
 addicted to Microsoft, but having realised all
 the problems with that, lately the policy has
 been to deny (!) MS users admin access to their
 own desktops. The situation is just ridiculous -
 if a MS user wants to install a piece of software
 on their PC he/she has to ask for permission,
 and then wait until some computer officer would
 come and do install for them.

Again, I don't know about the UK, Great Britain or England, but in the
US this is also quite common, at least with regards to University
owned hardware. The first responsibility is to protect the network and
existing services. Sadly, many groups fail to provide the next step,
that being a relatively quick, easy way to have approved software
installed for users, and a method for having non-approved software
scrutinised and either approved or rejected.

 Also recently, well.. about a year ago, no
 host (!) could be accessed from outside the
 Uni firewall. Special exception has to be
 obtained even for ssh. There is only one dedicated
 sun server which accepts only ssh. The users
 are supposed to dial to this frontend server
 first, and from there to hosts on the local net.

Again, quite common. Most Universities here do not provide
public-facing IP addresses without some sort of application and
approval process. For example, we have a handful of machines that are
public facing but most of our hardware sits inside site-only networks.
To access those machines you either have to be on-campus or you have
to connect via VPN (and yes, we support Windows, Mac, Linux, Solaris,
*BSD).

Having an SSH proxy isn't an entirely bad idea, though I can see where
performance may be hindered.

 I had to fight a long battle, well.. I had
 some support from other academics, to have
 a linux class in my Faculty. Here the
 opposition wasn't so much security, as
 why would any undegraduate need linux,
 as if MS solutions are a pinnacle of human thought.

That's a pretty fair question and one that I hope you would have asked
yourself before you made the push for the class.

 And from I understand it's going to get worse.
 Apparently the IT services are drawing up
 plans to completely forbid use of non-autorized
 OS. I imagine fbsd will not be authorized.
 So I'm anticipating another battle already.

Does this extend to computers used for academic research, student
owned computers being used on campus, etc?

Perhaps it's because we're conditioned to think this way but a lot of
us at universities in the US see a lot of this as being commonplace
and to *not* do them is generally considered bad security practice.

kmw

-- 
Beware the leader who bangs the drums of war in order to whip the
citizenry into a patriotic fervor, for patriotism is indeed a
double-edged sword. It both emboldens the blood, just as it narrows
the mind. And when the drums of war have reached a fever pitch and the
blood boils with hate and the mind has closed, the leader will have no
need in seizing the rights of the citizenry. Rather, the citizenry,
infused with fear and blinded by patriotism, will offer up all of
their rights unto the leader and gladly so - Unattributed, post 9/11
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Re: CMS

2009-10-15 Thread Kevin Wilcox
Paul - I used to work with the guys at Appalachian State that did
phpWebSite (I was their SA) and it worked great on FreeBSD. I can't
say how well it works *now* but it ran fine as of a year ago on
Apache2 + PostGreSQL. As far as a CMS or application framework went,
it was a cinch. I just never could get into the others.

kmw

On 15/10/2009, Paul Schmehl pschmehl_li...@tx.rr.com wrote:
 I manage a couple of FreeBSD servers for a friend.  He's gotten all
 excited about content management and thinks that's the way to go.  The
 system he's familiar with is Windows only.  I've done a little research,
 but I'm wondering if anyone reading the list has experience with a CMS on
 FreeBSD - one that's in ports preferably.

 Pros?  Cons?  Any known security issues?

 Paul Schmehl, If it isn't already
 obvious, my opinions are my own
 and not those of my employer.
 **
 WARNING: Check the headers before replying

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Whenever there is in any country, uncultivated lands and unemployed
poor, it is clear that the laws of property have been so far extended
as to violate natural right. The earth is given as a common stock for
man to labour and live on. -- Thomas Jefferson, 1785
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Re: Show bandwidth usage by IP address (through pf)

2009-10-07 Thread Kevin Wilcox
2009/10/7 Maxim Khitrov mkhit...@gmail.com:

 I have pf filtering traffic to our network. Is there any easy way to
 see the current bandwidth usage sorted by ip? Someone is using up
 almost 100% of total bandwidth and parsing pfctl -ss -v isn't
 getting me anywhere.

It's overkill and does a ton more than what you're asking for...but
have you looked at ipaudit? Or, more specifically, ipaudit-web? I
ended up installing apache/gnuplot/etc from ports but installed
ipaudit from source as the version in ports is *incredibly* outdated.

kmw

-- 
Whenever there is in any country, uncultivated lands and unemployed
poor, it is clear that the laws of property have been so far extended
as to violate natural right. The earth is given as a common stock for
man to labour and live on. -- Thomas Jefferson, 1785
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